Key Features: * Patented Orifice Design * Linear Flow (i.e. 10% open-10% flow; 65% open-65% flow)

* Low Pressure Drop: 0.016”wc at 70 FPM; 0.026”wc at 90 FPM * Less than 5% Leakage fully closed

* Self & Mechanical Locking * Manual or Remote Operation * Custom Sizes * Custom Materials and Finish’s